Pronunciation: [ˌɒn hˈa͡ʊs] (IPA) 
The correct spelling for the phrase "on house" is actually "on the house." The pronunciation for this phrase is /ɒn ðə haʊs/. The "on" is pronounced with a short "o" sound, followed by the "th" sound in "the," which is then followed by a short "a" sound in "house." The phrase means that something is offered or given to someone for free, typically in a hospitality setting like a bar or restaurant.
"On house" is an idiomatic expression used to describe the situation wherein something is provided or offered free of charge by a person, organization, or establishment. The term is often associated with the hospitality industry or businesses and commonly refers to complimentary goods or services that are given to customers or guests without any cost or payment required.
The phrase "on house" originated from the idea of a business or establishment footing the bill for the expense, treating the customer as a guest in their establishment. It suggests that the item or service being offered is essentially provided out of the generosity or kindness of the provider. It can refer to a wide range of offerings, including complimentary meals, drinks, entertainment, or accommodations.
The concept of "on house" is widely used to enhance customer satisfaction and loyalty. It can be seen as a gesture of goodwill and a way to promote positive experiences within a business or establishment. By providing certain items or services for free, businesses hope to create a positive impression and encourage customers to return or recommend their offerings to others.
Overall, "on house" refers to the act of giving something without any charge or payment, typically associated with the hospitality industry. It embodies the idea of generosity and creates a positive experience for the recipient, helping foster customer loyalty and satisfaction.
The term "on the house" is believed to have originated in the United States in the early 19th century. The word "house" refers to an establishment, typically a tavern or a restaurant, where food and drinks are served. When something is said to be "on the house", it means that the establishment is providing it for free or as a complimentary gesture to the customer. The exact etymology of the phrase is unclear and there are various theories. One theory suggests that it may have derived from the practice of placing a customer's order on a slate board and then wiping it clean (i.e., "on the house") once the customer had paid. Another theory is that it originated from the British phrase "to drink a house empty" which meant to consume all the available alcohol in a pub, resulting in the next round being provided "on the house".
